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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
MAINTENANCE SCHEDULE
ENGLISH
MAINTENANCE STANDARDS
MAINTENANCE STANDARDS
38 MAINTENANCE
SCHEDULE
1. Use the service meter to determine servicing
intervals.
2. The servicing intervals in the schedule are for an
average operating conditions. Service the engine
earlier than the scheduled intervals if necessary.
(The intervals depends on application, operating
conditions and fuel oil and lube oil used in the
engine. Adjust the intervals to meet the actual
operating conditions.)
3. Perform service on items at multiples of the
original requirement. For example, at Every 250
service hours, also service those items listed
under Every 50 service hours and Every 10 service
hours.
⊗ Check, clean, wash or adjust.
• Change.
S Rely on Mitsubishi dealer if necessary.
* Items to be serviced after initial 50 hours of
operation of a new, reconditioned or long-stored
engine.
Group Item
Interval
Remarks
Every 10
service
hours
Every 50
service
hours
Every 250
service
hours
Every 500
service
hours
Every 1000
service
hours
General
Walk-around
inspection
Check ⊗
Valve clearance Check ⊗ S
Boils and nuts
(cylinder head
bolts)
Retighten
*
⊗ S
Lubrication system
Oil pan
Check oil level ⊗
Change oil
*
• S
Oil filter
(cartridge)
Change
* •
Fuel system
Fuel tank
Check oil level ⊗
Drain moisture ⊗
Fuel filter Change
•
Injection
nozzles
Check ⊗ S